null soft direct sound output v.2.6

I have no sound,instead Error code 88780078.In an attempt to get some free space on drive C I deleated some software among others the Realtek RTL 8139/810x fast Ethernet Nic Driver.Is that the missing driver in my system to hear sound?And if so is there any link to reinstall for truly free?

The information on Computing.Net is the opinions of its users. Such
opinions may not be accurate and they are to be used at your own risk.
Computing.Net cannot verify the validity of the statements made on this
site. Computing.Net and Purch hereby disclaim all responsibility
and liability for the content of Computing.Net and its accuracy.